1 /* 2 * Copyright (c) 2016, Linaro Limited 3 * Copyright (c) 2014, STMicroelectronics International N.V. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright notice, 13 * this list of conditions and the following disclaimer in the documentation 14 * and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <kernel/panic.h> 30 #include <kernel/thread.h> 31 #include <trace.h> 32 33 void __do_panic(const char *file __maybe_unused, 34 const int line __maybe_unused, 35 const char *func __maybe_unused, 36 const char *msg __maybe_unused) 37 { 38 /* disable prehemption */ 39 (void)thread_mask_exceptions(THREAD_EXCP_ALL); 40 41 /* TODO: notify other cores */ 42 43 /* trace: Panic ['panic-string-message' ]at FILE:LINE [<FUNCTION>]" */ 44 if (!file && !func && !msg) 45 EMSG_RAW("Panic"); 46 else 47 EMSG_RAW("Panic %s%s%sat %s:%d %s%s%s", 48 msg ? "'" : "", msg ? msg : "", msg ? "' " : "", 49 file ? file : "?", file ? line : 0, 50 func ? "<" : "", func ? func : "", func ? ">" : ""); 51 52 /* abort current execution */ 53 while (1) 54 ; 55 } 56